static StringBuilder AppendGenericTypeNameFromSignature(StringBuilder typeBuilder, string value, ref int index)
{
var array = GetArraySuffix(value, ref index);
var builtin = GetBuiltinName(value, ref index);
if (builtin != null)
{
return(typeBuilder.Append(builtin).Append(array));
}
switch (value [index])
{
case 'L':
index++;
int depth = 0;
while (index < value.Length)
{
var c = value [index++];
if (depth == 0 && c == ';')
{
break;
}
if (c == '<')
{
depth++;
typeBuilder.Append("<");
AppendGenericTypeNameFromSignature(typeBuilder, value, ref index);
}
else if (c == '>')
{
typeBuilder.Append(">");
depth--;
}
else if (depth > 0)
{
index--;
typeBuilder.Append(", ");
AppendGenericTypeNameFromSignature(typeBuilder, value, ref index);
}
else if (c == '/' || c == '$')
{
typeBuilder.Append('.');
}
else
{
typeBuilder.Append(c);
}
}
return(typeBuilder.Append(array));
case 'T':
index++;
typeBuilder.Append(Signature.ExtractIdentifier(value, ref index));
index++; // consume ';'
return(typeBuilder.Append(array));
case '*':
index++;
return(typeBuilder.Append("?"));
case '+':
index++;
typeBuilder.Append("? extends ");
return(AppendGenericTypeNameFromSignature(typeBuilder, value, ref index));
case '-':
index++;
typeBuilder.Append("? super ");
return(AppendGenericTypeNameFromSignature(typeBuilder, value, ref index));
}
typeBuilder.Append("/* should not be reached */").Append(value.Substring(index));
index = value.Length;
return(typeBuilder);
}
string SignatureToJavaTypeName(string value)
{
if (string.IsNullOrEmpty(value))
{
return(string.Empty);
}
int index = 0;
var array = GetArraySuffix(value, ref index);
var builtin = GetBuiltinName(value, ref index);
if (builtin != null)
{
return(builtin + array);
}
if (value [index] == 'L')
{
index++;
var type = new StringBuilder();
int depth = 0;
int e = index;
while (e < value.Length)
{
var c = value [e++];
if (depth == 0 && c == ';')
{
break;
}
if (c == '<')
{
depth++;
}
else if (c == '>')
{
depth--;
}
else if (depth > 0)
{
;
}
else if (c == '/' || c == '$')
{
type.Append('.');
}
else
{
type.Append(c);
}
}
return(type.Append(array).ToString());
}
if (value [index] == 'T')
{
index++;
var tp = Signature.ExtractIdentifier(value, ref index);
if (signature != null)
{
return(SignatureToJavaTypeName(signature.TypeParameters [tp].ClassBound) + array);
}
}
return(value);
}
